Built a performant and reliable web service on the cloud within a specified budget Designed, developed, deployed and optimized functional web-servers that can handle a high load (~ tens of thousands of requests per second). Implemented Extract, Transform and Load (ETL) on a large data set (~ 1 TB) and loaded the data into MySQL and HBase systems. Designed schema as well as configured and optimized MySQL and HBase databases to deal with scale and improve throughput. Explored methods to identify the potential bottlenecks in a cloud-based web service and methods to improve system performance.